我得有经验才能找到工作,可是没有工作我就无法获得经验--这真是个恶性循环。
I need experience to get a job but without a job I can't get experience it's a vicious circle.
哈唯发现了血液循环。
Harvey discovered the circulation of the blood.
循环小数`3.999 ... '亦作`3.9循环'。
The recurring decimal 3.999 ... is also described as 3.9 recurring.